The invention discloses a mechanical jack which comprises a crank type jack, a supporting piece is connected to the crank type jack, and a driving mechanism used for driving a crank to rotate is connected to the supporting piece. When the mechanical jack is used, the mechanical jack can be driven to ascend through the driving mechanism and the transmission mechanism without manual operation.
本发明公开了一种机械千斤顶,包括摇把式千斤顶,所述摇把式千斤顶上连接有支撑件,所述支撑件上连接有用于驱动摇把转动的驱动机构。本发明一种机械千斤顶,在使用时,通过该驱动机构、传动机构、无需人工操作,便可驱动顶上升。
Mechanical jack
一种机械千斤顶
2022-03-08
Patent
Electronic Resource
Chinese
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
Jack with mechanical locking function and using method of jack
European Patent Office | 2020
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